/**
* Logback: the reliable, generic, fast and flexible logging framework.
* Copyright (C) 1999-2013, QOS.ch. All rights reserved.
*
* This program and the accompanying materials are dual-licensed under
* either the terms of the Eclipse Public License v1.0 as published by
* the Eclipse Foundation
*
* or (per the licensee's choosing)
*
* under the terms of the GNU Lesser General Public License version 2.1
* as published by the Free Software Foundation.
*/
package ch.qos.logback.classic.pattern;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import ch.qos.logback.classic.Level;
import ch.qos.logback.classic.Logger;
import ch.qos.logback.classic.LoggerContext;
import ch.qos.logback.classic.PatternLayout;
import ch.qos.logback.classic.spi.ILoggingEvent;
import ch.qos.logback.classic.spi.LoggingEvent;
public class ExtendedThrowableProxyConverterTest {
LoggerContext lc = new LoggerContext();
ExtendedThrowableProxyConverter etpc = new ExtendedThrowableProxyConverter();
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw);
@Before
public void setUp() throws Exception {
etpc.setContext(lc);
etpc.start();
}
@After
public void tearDown() throws Exception {
}
private ILoggingEvent createLoggingEvent(Throwable t) {
return new LoggingEvent(this.getClass().getName(), lc
.getLogger(Logger.ROOT_LOGGER_NAME), Level.DEBUG, "test message", t,
null);
}
@Test
public void integration() {
PatternLayout pl = new PatternLayout();
pl.setContext(lc);
pl.setPattern("%m%n");
pl.start();
ILoggingEvent e = createLoggingEvent(new Exception("x"));
String res = pl.doLayout(e);
// make sure that at least some package data was output
Pattern p = Pattern.compile("\\s*at .*?\\[.*?\\]");
Matcher m = p.matcher(res);
int i = 0;
while(m.find()) {
i++;
}
assertTrue(i+ " should be larger than 5", i > 5);
}
@Test
public void smoke() {
Exception t = new Exception("smoke");
verify(t);
}
@Test
public void nested() {
Throwable t = makeNestedException(1);
verify(t);
}
void verify(Throwable t) {
t.printStackTrace(pw);
ILoggingEvent le = createLoggingEvent(t);
String result = etpc.convert(le);
result = result.replace("common frames omitted", "more");
result = result.replaceAll(" ~?\\[.*\\]", "");
assertEquals(sw.toString(), result);
}
Throwable makeNestedException(int level) {
if (level == 0) {
return new Exception("nesting level=" + level);
}
Throwable cause = makeNestedException(level - 1);
return new Exception("nesting level =" + level, cause);
}
}